Create Solution.java

Author: Jerring

solution/0376.Wiggle Subsequence/Solution.java

@@ -0,0 +1,17 @@
+class Solution {
+    public int wiggleMaxLength(int[] nums) {
+        if (nums.length < 2) {
+            return nums.length;
+        }
+        int up = 1;
+        int down = 1;
+        for (int i = 1; i < nums.length; ++i) {
+            if (nums[i] > nums[i - 1]) {
+                up = down + 1;
+            } else if (nums[i] < nums[i - 1]) {
+                down = up + 1;
+            }
+        }
+        return Math.max(up, down);
+    }
+}